Coinbase’s Quantum Advisory Council has identified Algorand and Aptos as the Layer-1 networks best positioned to handle future quantum computing threats, according to a report cited on April 24, 2026. While large-scale quantum risks remain years away, the report emphasizes that preparation is already underway, with some networks moving faster than others.
Algorand’s Practical Quantum Security Approach
Algorand has adopted a gradual, real-world implementation strategy for quantum security rather than relying on theoretical frameworks. Key developments include:
• State Proofs secured with Falcon signatures since 2022
• First post-quantum transaction executed on mainnet in 2025
• Over 100,000 quantum-resistant transactions already processed
Instead of implementing a sudden overhaul, Algorand is integrating quantum-resistant tools incrementally. This “no big bang” strategy minimizes disruption while steadily strengthening long-term security.
Aptos’ Structural Advantages
Aptos benefits from a flexible account-based architecture that allows cryptographic upgrades without requiring major network changes. This built-in adaptability enables users to transition to quantum-resistant systems more smoothly in the future, which the report identifies as a key reason for Aptos’ high ranking.
Industry-Wide Momentum Building
Quantum preparedness is becoming a broader industry priority. As of April 2026, related developments include:
• Ripple Labs releasing a post-quantum roadmap for XRP Ledger
• Google publishing research on blockchain implementations
• Increasing focus on NIST-approved cryptographic standards
These developments signal a shift toward quantum readiness as a competitive priority rather than a future concern.
Other Networks Exploring Quantum Solutions
Beyond Algorand and Aptos, several other projects are actively exploring quantum-safe solutions, including Quantum Resistant Ledger, IOTA, Hedera, and Solana. However, most of these efforts remain in early research or testing phases, according to the report.
Long-Term Competitive Implications
The report indicates that quantum risk, while not immediate, is inevitable. Blockchains are entering a new competitive phase where long-term security matters as much as current performance. Projects that prepare early could gain stronger institutional trust, greater long-term adoption, and increased resilience against future threats.
The shift reflects strategic preparation: blockchains are now competing not only on speed and fees but also on how well they can secure against future quantum computing threats.
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